US3058151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cellulose film treating system
Assignee: Onderzoekings Instituut Research
•
Filing: 1960-08-30
•
Granted: 1962-10-16
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Expires: 1980-08-30
Abstract
No abstract record available.
Inventors
- 👤 Gonsalves Conrad Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:19
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/88; B29C48/919; B29C48/03; B29C48/07; B29C48/08; B29C48/911
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2062795A
Cited
US1901273A
Cited
US2536186A
Cited
US2536093A
Cited
US2659102A
Cited
US2914419A
Cited
US2852808A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-15 | 1966-04-16 | 1966-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-15 | 1970-04-16 | 1970-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-15 | 1974-04-16 | 1974-10-16 | $7700.00 | Window Closed / Lapsed |